The Bottom Line: The Complicated Legacy of ‘The Phenom’ Despite his accomplishments, no fighter is more associated with the subject of performance-enhancing drugs than Vitor Belfort, writes Todd Martin.

Former UFC Title Challenger, Strikeforce Champ Nate Marquardt Announces Retirement After 56 professional mixed martial arts bouts, Nate Marquardt is calling it a career.

Sherdog.com’s 2017 Comeback Fighter of the Year Georges St. Pierre returned from a four-year layoff at UFC 217 on Nov. 4 and choked Michael Bisping unconscious to capture the undisputed...

UFC Fight Night 112 Prelims: Clay Guida Bullies Erik Koch to Clear-Cut Decision in Oklahoma City Clay Guida tapped into the fountain of youth in his return to the Ultimate Fighting Championship’s lightweight division.

Sherdog’s Top 10: The Ultimate Fighters “The Ultimate Fighter” has spawned multiple champions and title challengers, all while supplying the UFC with a steady stream of marketable...

Tony Ferguson Strengthens Claim for Title Shot, Subdues Rafael dos Anjos at UFC Fight Night 98 Tony Ferguson decisions Rafael dos Anjos in their UFC Fight Night 98 main event on Saturday in Mexico City.

The 2016 MMA National Olympic Teams: Australia Mark Hunt, Robert Whittaker and Jake Matthews tip the spear for the mixed martial arts squad from Down Under.

17-Fight UFC Veteran Martin Kampmann Retires from MMA at 33 While Martin Kampmann hasn’t competed in a mixed martial arts bout since August 2013, he didn’t announced his retirement during the past...

Sherdog’s Top 10: Overachievers For a number of accomplished mixed martial artists, grit, determination, durability and technical skill often trump athletic talent.

UFC 179 Prelims: Neil Magny Equals UFC Record, Posts Fifth Win of 2014 “The Ultimate Fighter” Season 16 semifinalist Neil Magny tied an Ultimate Fighting Championship record with his fifth win inside a calendar year, as he dispatched William Macario with mounted third-round...